Table 2

Frequency and correlation of the vacAs1, cagA, and babA2 genotypes in a total of 114 H. pylori isolates

Genotype (n = 114)babA2-positive (n = 82)babA2-negative (n = 32)χ2 valueP value
vacs1-positive (n = 99)782117.5<0.01
cagA-positive (n = 86)701615.3<0.01
Type 1 (n = 84)681612.8<0.01